| 7690138 |
Rolling assembly mounted on a trencher |
David R. Hall, Francis Leany, Ronald B. Crockett, Tyson J. Wilde |
2010-04-06 |
| 7637574 |
Pick assembly |
David R. Hall, Ronald B. Crockett, Scott Dahlgren |
2009-12-29 |
| 7600823 |
Pick assembly |
David R. Hall, Ronald B. Crockett, Scott Dahlgren |
2009-10-13 |
| 7594703 |
Pick with a reentrant |
David R. Hall, Ronald B. Crockett |
2009-09-29 |
| 7568770 |
Superhard composite material bonded to a steel body |
David R. Hall, Ronald B. Crockett, Joe Fox |
2009-08-04 |
| 7523794 |
Wear resistant assembly |
David R. Hall, Ronald B. Crockett, John Bailey, Joe Fox |
2009-04-28 |
| 7475948 |
Pick with a bearing |
David R. Hall, Ronald B. Crockett, Francis Leany |
2009-01-13 |
| 7469972 |
Wear resistant tool |
David R. Hall, Ron Crockett, Joe Fox, Michael Barnhill |
2008-12-30 |
| 7469756 |
Tool with a large volume of a superhard material |
David R. Hall, Ronald B. Crockett |
2008-12-30 |
| 7469971 |
Lubricated pick |
David R. Hall, Ronald B. Crockett, Francis Leany |
2008-12-30 |
| 7464993 |
Attack tool |
David R. Hall, Ronald B. Crockett |
2008-12-16 |
| D581952 |
Pick |
David R. Hall, Ronald B. Crockett, Scott Dahlgren |
2008-12-02 |
| 7451944 |
Replaceable segmented wear liner |
David R. Hall, Ronald B. Crockett, John Bailey |
2008-11-18 |
| 7445294 |
Attack tool |
David R. Hall, Ronald B. Crockett |
2008-11-04 |
| 7419224 |
Sleeve in a degradation assembly |
David R. Hall, Ronald B. Crockett |
2008-09-02 |
| 7413256 |
Washer for a degradation assembly |
David R. Hall, Ronald B. Crockett |
2008-08-19 |
| 7413258 |
Hollow pick shank |
David R. Hall, Ronald B. Crockett, Scott Dahlgren |
2008-08-19 |
| 7410221 |
Retainer sleeve in a degradation assembly |
David R. Hall, Ronald B. Crockett, Tyson J. Wilde |
2008-08-12 |
| 7401863 |
Press-fit pick |
David R. Hall, Ronald B. Crockett |
2008-07-22 |
| 7396086 |
Press-fit pick |
David R. Hall, Ronald B. Crockett |
2008-07-08 |
| 7384105 |
Attack tool |
David R. Hall, Ronald B. Crockett |
2008-06-10 |
| 7353893 |
Tool with a large volume of a superhard material |
David R. Hall, Ronald B. Crockett |
2008-04-08 |
| D566137 |
Pick bolster |
David R. Hall, Ronald B. Crockett, Scott Dahlgren |
2008-04-08 |
| 7347292 |
Braze material for an attack tool |
David R. Hall, Ronald B. Crockett |
2008-03-25 |
| 7338135 |
Holder for a degradation assembly |
David R. Hall, Ronald B. Crockett |
2008-03-04 |
